This week on our program, we talk about the newspaper industry in the United States and its history.

VOA: special.2009.04.20

We'll talk more about this later, but it often happens that when you change your program to solve one problem you break it, and things that used to work don't work.

我们以后会更多的去讨论者一点，但是经常发生的情况是当你因为,一个问题修改你的程序的时候,你修改了程序,但原来没问题的模块。

麻省理工公开课 - 计算机科学及编程导论课程节选

That's an important observation, and as we get to the part of the course we talk about computational complexity, you'll see that what we really care about is not how efficient the program is on easy problems but how efficient it is on hard problems.

我们已经学习了这门课程的一部分了，我们要开始认识到,计算的复杂度这个概念，你会学习到我们在乎的并不是,算法在简单问题上的工作效率,而是解决复杂问题的效率。

麻省理工公开课 - 计算机科学及编程导论课程节选

This week on our program, we talk about summer music festivals in the United States.

VOA: special.2009.06.08

And proceeds to do the only thing he can do to defend himself against Hal, which is shut down the program, basically killing-- if we can talk that way--killing Hal.

而他唯一,能使让哈尔不伤害到自己的举措,就是关闭该程序,基本上也就是杀死,如果我们可以那样表达的话,杀死哈尔

耶鲁公开课 - 死亡课程节选

This week in our Foreign Student Series, we talk about the Fulbright Program.

VOA: special.2009.02.12

This week on our program, we talk about baby names in America.

VOA: special.2009.07.06